IKEA VIDGA RAIL Dual Corner Rail Adapter

I have these dual curtain rails from IKEA. But the vidga model only comes with a corner adapter for the single rail. So i designed this dual rail one.
PLA worked fine for me, but PETG would probably be better. 

As a little advice, the original conectors from IKEA were pretty bad, so i printed these: https://makerworld.com/en/models/1274120-ikea-vidga-curtain-rail-connector#profileId-1301519
Withe these connectors the rails are perfectly aligned